148876646 has 4 divisors (see below), whose sum is σ = 223314972. Its totient is φ = 74438322.

The previous prime is 148876603. The next prime is 148876681. The reversal of 148876646 is 646678841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646678841 = 67 ⋅9651923.

It is a junction number, because it is equal to n+sod(n) for n = 148876594 and 148876603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37219160 + ... + 37219163.

It is an arithmetic number, because the mean of its divisors is an integer number (55828743).

Almost surely, 2^148876646 is an apocalyptic number.

148876646 is a deficient number, since it is larger than the sum of its proper divisors (74438326).

148876646 is an equidigital number, since it uses as much as digits as its factorization.

148876646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74438325.

The product of its digits is 1548288, while the sum is 50.

The square root of 148876646 is about 12201.5017928122. The cubic root of 148876646 is about 529.9995799213. Note that the first 3 decimals are identical.

The spelling of 148876646 in words is "one hundred forty-eight million, eight hundred seventy-six thousand, six hundred forty-six".